Re: Sunlight -- footnote
Re: Sunlight -- footnote
- Subject: Re: Sunlight -- footnote
- From: Roger Breton <email@hidden>
- Date: Sat, 29 Dec 2007 21:44:05 -0500
Danke shoën Klaus!!
Very interesting articles -- more readings (I'll never be able to go to
bed).
> (I was very surprised about the huge range of variation: "Spectral
> measurements of natural light at many sites worldwide show that CCT
> varies between 3000 and approx. 10E6 K")
Aha! Yes, das ist strange?
> Klaus
>
> P.S.: Prof. Schanda's presentation also contains the very deflating
> results of a spectroradiometer comparison I mentioned recently, see
> slide 37...45)
Shanda's lab and students are doing very interesting research. I met them in
Ottawa last year. I'm glad you were able to share his presentation. I'm
using BabelColor's PatchTool to calibrate and profile my Eizo LCD using the
i1d2 and the i1pro and indeed I am finding larger dE2000 differences in the
shadows in the i1pro calibration and in the i1d2 calibration. But, while
that may be attributable to the fact that the i1pro functions as an emissive
spectroradiometer, of course it does not have the wealth of bells and
whistles that full fledge spectroradiometers have like dark current readings
before every measurements and peltier coolded CCD. Still, I am shocked to
find such variation between spectroradiometers in general.
Kindest regards,
Roger Breton
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